brain-hackers_pepepper-mirror/u-boot-brain
1
0
Fork 0
mirror of https://github.com/brain-hackers/u-boot-brain synced 2024-06-09 23:36:03 +09:00
Code Issues Projects Releases Wiki Activity

tpm: Add tpm2 headers for TCG2 eventlog support

Browse Source 
A following patch introduces support for the EFI_TCG2_PROTOCOL
eventlog management.
Introduce the necessary tpm related headers

Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
This commit is contained in:
Ilias Apalodimas 2020-11-30 11:47:39 +02:00 committed by Heinrich Schuchardt
parent e926136bb2
commit 8e0b0871b8
1 changed files with 82 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

82
include/tpm-v2.h
View File

@ -18,6 +18,12 @@
#define TPM2_DIGEST_LEN 32
#define TPM2_SHA1_DIGEST_SIZE 20
#define TPM2_SHA256_DIGEST_SIZE 32
#define TPM2_SHA384_DIGEST_SIZE 48
#define TPM2_SHA512_DIGEST_SIZE 64
#define TPM2_SM3_256_DIGEST_SIZE 32
#define TPM2_MAX_PCRS 32
#define TPM2_PCR_SELECT_MAX ((TPM2_MAX_PCRS + 7) / 8)
#define TPM2_MAX_CAP_BUFFER 1024
@ -45,6 +51,15 @@
#define TPM2_PT_MAX_COMMAND_SIZE (u32)(TPM2_PT_FIXED + 30)
#define TPM2_PT_MAX_RESPONSE_SIZE (u32)(TPM2_PT_FIXED + 31)
/* event types */
#define EV_POST_CODE ((u32)0x00000001)
#define EV_NO_ACTION ((u32)0x00000003)
#define EV_SEPARATOR ((u32)0x00000004)
#define EV_S_CRTM_CONTENTS ((u32)0x00000007)
#define EV_S_CRTM_VERSION ((u32)0x00000008)
#define EV_CPU_MICROCODE ((u32)0x00000009)
#define EV_TABLE_OF_DEVICES ((u32)0x0000000B)
/* TPMS_TAGGED_PROPERTY Structure */
struct tpms_tagged_property {
u32 property;
@ -86,6 +101,73 @@ struct tpms_capability_data {
union tpmu_capabilities data;
} __packed;
/**
* SHA1 Event Log Entry Format
*
* @pcr_index: PCRIndex event extended to
* @event_type: Type of event (see EFI specs)
* @digest: Value extended into PCR index
* @event_size: Size of event
* @event: Event data
*/
struct tcg_pcr_event {
u32 pcr_index;
u32 event_type;
u8 digest[TPM2_SHA1_DIGEST_SIZE];
u32 event_size;
u8 event[];
} __packed;
/**
* Definition of TPMU_HA Union
*/
union tmpu_ha {
u8 sha1[TPM2_SHA1_DIGEST_SIZE];
u8 sha256[TPM2_SHA256_DIGEST_SIZE];
u8 sm3_256[TPM2_SM3_256_DIGEST_SIZE];
u8 sha384[TPM2_SHA384_DIGEST_SIZE];
u8 sha512[TPM2_SHA512_DIGEST_SIZE];
} __packed;
/**
* Definition of TPMT_HA Structure
*
* @hash_alg: Hash algorithm defined in enum tpm2_algorithms
* @digest: Digest value for a given algorithm
*/
struct tpmt_ha {
u16 hash_alg;
union tmpu_ha digest;
} __packed;
/**
* Definition of TPML_DIGEST_VALUES Structure
*
* @count: Number of algorithms supported by hardware
* @digests: struct for algorithm id and hash value
*/
struct tpml_digest_values {
u32 count;
struct tpmt_ha digests[TPM2_NUM_PCR_BANKS];
} __packed;
/**
* Crypto Agile Log Entry Format
*
* @pcr_index: PCRIndex event extended to
* @event_type: Type of event
* @digests: List of digestsextended to PCR index
* @event_size: Size of the event data
* @event: Event data
*/
struct tcg_pcr_event2 {
u32 pcr_index;
u32 event_type;
struct tpml_digest_values digests;
u32 event_size;
u8 event[];
} __packed;
/**
* TPM2 Structure Tags for command/response buffers.
*